CN219401951U - Accurate stamping die is used in metalwork processing - Google Patents

Abstract

The utility model discloses a precise stamping die for metal product processing, which comprises a cross beam, wherein a stamping cylinder is fixedly arranged on the cross beam, a piston rod of the stamping cylinder is fixed with an upper die, a lower die is arranged at the lower side of the upper die, a metal blank is arranged between the lower die and the upper die, a stamping part is arranged at the bottom of the upper die in a threaded connection manner, and a die cavity is formed in the surface of the lower die, and the precise stamping die is characterized in that: the cross beam and the lower die are uniformly and fixedly connected through four groups of guide posts. This metal product processing is with accurate stamping die, when carrying out the drawing of patterns, go up the mould and upwards move, drive the drive plate through the drive plate and upwards move for the liftout plate drives four group drawing of patterns posts and upwards moves, carries out ejecting with the inside shaping of die cavity, can accomplish the quick drawing of patterns work to the shaping, ejecting device need not add the actuating source, with the ram cylinder as the actuating source can, reduction in the cost of manufacture of device.

Description

Accurate stamping die is used in metalwork processing

Technical Field

The utility model relates to the field of stamping dies, in particular to an accurate stamping die for metal product processing.

Background

A stamping die is a special process equipment for processing a material (metal or nonmetal) into a part (or a semi-finished product), and is called a stamping die; a press working method for obtaining a desired part by applying pressure to a material by using a die mounted on a press to cause separation or plastic deformation thereof; when the existing stamping die is used, due to the fact that the positions of the upper cover plate and the lower cover plate are different, fit is incomplete when stamping is needed, and therefore a large amount of labor cost is increased; therefore, we propose a high-efficiency positioning stamping die;

in order to solve the problems, through searching, the prior art discloses (application number: CN 202021606620.7) a high-efficiency positioning stamping die; the method comprises the steps that a die bottom plate is included, a buffer mechanism is arranged on the outer surface of the lower end of the die bottom plate, a positioning mechanism and a die groove are arranged on the outer surface of the upper end of the die bottom plate, the positioning mechanism is located on one side of the die groove, a die cover plate is arranged on the outer surface of the upper end of the positioning mechanism, a fixing column and a positioning groove are arranged on the outer surface of the upper end of the die cover plate, and the fixing column is located on one side of the positioning groove; the existing stamping die device is large in pressure, after stamping is completed, the die is located inside the stamping groove after the die is formed, the die is required to be manually removed from the inside of the stamping groove, the demolding speed is reduced, the die yield is low, demolding and packaging are required to be mounted on the die, the demolding device in the prior art is required to independently use the air cylinder as a driving source to drive the ejection column on the demolding device, the manufacturing cost of the die is directly increased, the selling price of the die is increased, and popularization and selling are inconvenient.

Disclosure of Invention

The utility model aims to provide a precise stamping die for metal product processing, which aims to solve the defects in the prior art.

In order to achieve the above-mentioned purpose, provide a metal product processing is with accurate stamping die, including the crossbeam, fixed mounting has the stamping cylinder on the crossbeam, and the piston rod of stamping cylinder is fixed with last mould, and the downside of last mould is installed simultaneously to be provided with the metal embryo spare between bed die and the last mould, the stamping workpiece is installed to the bottom spiro union of last mould, and the die cavity has been seted up on the surface of bed die, evenly carry out fixed connection through four sets of guide posts between crossbeam and the bed die, and the internally mounted of bed die has the installation cavity, and the ejector plate activity sets up in the inside of installation cavity simultaneously to the internally mounted of installation cavity has two sets of gag lever posts, and the even welding of the upside surface of ejector plate has four sets of drawing of patterns posts, and the drawing of patterns post sets up in the bottom of die cavity, the transfer plate is installed to the both sides of last mould equal spiro union, and the transfer plate is kept away from the one end and the drive plate welded fastening of last mould.

Preferably, two groups of guide holes are formed in two sides of the upper die, and the guide posts are inserted into the guide holes formed in the upper die.

Preferably, the upper die is driven by the stamping cylinder to move downwards to stamp and shape the metal blank in the die cavity through the stamping part, and meanwhile, the upper die drives the ejector plate through the transmission plate and the driving plate.

Preferably, a guide groove is formed in the side wall of the lower die, a guide rod is movably mounted in the guide groove, and meanwhile the guide rod is elastically connected in the guide groove through a reset spring.

Preferably, the third inclined plane and the fourth inclined plane are respectively arranged at two ends of the ejection plate, and the first inclined plane and the second inclined plane are respectively arranged at the end part of the guide rod.

Preferably, the fourth inclined surface and the first inclined surface are disposed in parallel, and the second inclined surface and the third inclined surface are disposed in parallel.

Preferably, the transmission plate, the driving plate, the ejector plate and the demolding column are combined together to form a rapid demolding structure of the metal forming part, and the ejector plate is in a lifting structure in the lower die.

Compared with the prior art, the utility model has the beneficial effects that: when demolding is carried out, the upper mold moves upwards, the driving plate is driven to move upwards through the driving plate, the ejector plate drives the four groups of demolding columns to move upwards, the molded part in the mold cavity is ejected, the rapid demolding operation of the molded part can be completed, the ejection device does not need an external driving source, the stamping oil cylinder is used as the driving source, and the manufacturing cost of the device is reduced.

Drawings

FIG. 1 is a schematic elevational view of the structure of the present utility model;

FIG. 2 is a schematic drawing showing the stamping of a structural metal blank according to the present utility model;

FIG. 3 is a top view of the lower mold of the present utility model;

fig. 4 is an enlarged schematic view of the structure of the present utility model at a in fig. 1.

In the figure: 1. punching an oil cylinder; 2. a cross beam; 3. a guide post; 4. an upper die; 5. a drive plate; 6. a driving plate; 7. a lower die; 8. a limit rod; 9. an ejector plate; 10. demoulding column; 11. a metal blank; 12. a guide groove; 13. a guide rod; 14. a first inclined surface; 15. a second inclined surface; 16. a third inclined surface; 17. and a fourth inclined surface.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides a precise stamping die for metal product processing, which comprises a cross beam 2, wherein a stamping cylinder 1 is fixedly installed on the cross beam 2, a piston rod of the stamping cylinder 1 is fixed with an upper die 4, a lower die 7 is installed at the lower side of the upper die 4, a metal blank 11 is arranged between the lower die 7 and the upper die 4, a stamping part is installed at the bottom of the upper die 4 in a threaded manner, a die cavity is formed in the surface of the lower die 7, the cross beam 2 and the lower die 7 are uniformly and fixedly connected through four groups of guide posts 3, an installation cavity is installed in the lower die 7, an ejector plate 9 is movably arranged in the installation cavity, two groups of limiting rods 8 are installed in the installation cavity, four groups of demolding posts 10 are uniformly welded on the upper side surface of the ejector plate 9, the demolding posts 10 are arranged at the bottom of the die cavity, a transmission plate 5 is installed on both sides of the upper die 4 in a threaded manner, and one end of the transmission plate 5, which is far away from the upper die 4, is welded and fixed with a driving plate 6.

As a preferred embodiment, two sets of guide holes are formed on both sides of the upper mold 4, and the guide posts 3 are inserted into the guide holes formed on the upper mold 4.

Two groups of guide holes are formed in two sides of the upper die 4, four groups of guide posts 3 are inserted into the upper die 4 when the upper die is lifted, the upper die 4 during lifting can be limited and guided, the upper die 4 is prevented from inclining during lifting, and accurate stamping of metal products can be completed.

As a preferred embodiment, the upper die 4 is driven by the stamping cylinder 1 to move downwards to stamp and shape the metal blank 11 in the die cavity through the stamping part, and meanwhile, the upper die 4 drives the ejector plate 9 through the transmission plate 5 and the driving plate 6.

As shown in fig. 1-3: when the ejector plate 9 is lifted, the ejector plate 9 is inserted with the limiting rod 8, and the limiting rod 8 can limit and guide the lifting and moving ejector plate 9, so that the ejector plate 9 is prevented from inclining when lifted.

As a preferred embodiment, the side wall of the lower die 7 is provided with a guide groove 12, a guide rod 13 is movably arranged in the guide groove 12, and the guide rod 13 is elastically connected in the guide groove 12 through a return spring.

As shown in fig. 4: the stamping part pushes down metal blank 11 for drawing of patterns post 10 tip is pressed, makes ejector plate 9 downwardly moving, and the third inclined plane 16 of this moment pushes down second inclined plane 15, and second inclined plane 15 drives guide bar 13 and transversely moves for the inside spring of guide slot 12 compresses, and when ejector plate 9 tip and guide bar 13 break away from, the spring that is in the compression at this moment resets, drives guide bar 13 and resumes initial position.

In a preferred embodiment, the third inclined surface 16 and the fourth inclined surface 17 are formed at both ends of the ejector plate 9, and the first inclined surface 14 and the second inclined surface 15 are formed at the end of the guide rod 13.

As shown in fig. 4: when the die is removed, the upper die 4 drives the driving plate 6 to move upwards through the transmission plate 5, so that the ejector plate 9 moves upwards, the fourth inclined surface 17 presses the first inclined surface 14, the guide rod 13 moves transversely, springs in the guide groove 12 are compressed, and when the end part of the ejector plate 9 is separated from the guide rod 13, the compressed springs are reset to drive the guide rod 13 to restore to the initial position.

As a preferred embodiment, the fourth inclined surface 17 and the first inclined surface 14 are disposed in parallel, and the second inclined surface 15 and the third inclined surface 16 are disposed in parallel.

As a preferred embodiment, the driving plate 5, the driving plate 6, the ejector plate 9 and the stripper column 10 are combined together to form a rapid stripping structure of the metal molding part, and the ejector plate 9 is in a lifting structure inside the lower die 7.

Working principle: when the die is used, the stamping cylinder 1 starts to work, the upper die 4 and the stamping part are driven to move downwards to punch and form the metal blank 11, when the die is removed, the upper die 4 moves upwards, the driving plate 6 is driven by the driving plate 5 to move upwards, the ejector plate 9 drives the four groups of stripping columns 10 to move upwards, the formed part in the die cavity is ejected, the rapid die removal of the formed part can be completed, an external driving source is not needed for the ejection device, the stamping cylinder 1 is used as a driving source, and the manufacturing cost of the device is reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a metal product processing is with accurate stamping die, includes crossbeam (2), fixed mounting has ram cylinder (1) on crossbeam (2), and the piston rod of ram cylinder (1) is fixed with last mould (4), and bed die (7) are installed to the downside of last mould (4) simultaneously to be provided with metal embryo spare (11) between bed die (7) and last mould (4), the stamping workpiece is installed in the bottom spiro union of last mould (4), and the die cavity has been seted up on the surface of bed die (7), its characterized in that: the utility model discloses a die, including crossbeam (2), bed die (7), fixed connection is carried out through four guide post (3) in groups between crossbeam (2) and bed die (7), and the internally mounted of bed die (7) has the installation cavity, ejector plate (9) activity sets up the inside in the installation cavity simultaneously, and the internally mounted in installation cavity has two sets of gag lever posts (8), the upside surface of ejector plate (9) evenly welds four drawing of patterns post (10), and drawing of patterns post (10) set up the bottom at the die cavity, driving plate (5) are all spiro union installed in the both sides of last mould (4), and the one end and driving plate (6) welded fastening of last mould (4) are kept away from to driving plate (5).

2. The precision press die for metal product processing according to claim 1, wherein: two groups of guide holes are formed in two sides of the upper die (4), and the guide posts (3) are inserted into the guide holes formed in the upper die (4).

3. The precision press die for metal product processing according to claim 1, wherein: the upper die (4) is driven by the stamping oil cylinder (1) to move downwards to stamp and shape the metal blank (11) in the die cavity through the stamping part, and meanwhile, the upper die (4) drives the ejector plate (9) through the transmission plate (5) and the driving plate (6).

4. The precision press die for metal product processing according to claim 1, wherein: the side wall of the lower die (7) is provided with a guide groove (12), a guide rod (13) is movably arranged in the guide groove (12), and meanwhile, the guide rod (13) is elastically connected in the guide groove (12) through a reset spring.

5. The precision press die for metal product processing according to claim 1, wherein: both ends of the ejector plate (9) are provided with a third inclined surface (16) and a fourth inclined surface (17), and the end part of the guide rod (13) is provided with a first inclined surface (14) and a second inclined surface (15).

6. The precision press die for metal product processing according to claim 5, wherein: the fourth inclined surface (17) and the first inclined surface (14) are arranged in parallel, and the second inclined surface (15) and the third inclined surface (16) are arranged in parallel.

7. The precision press die for metal product processing according to claim 1, wherein: the transmission plate (5), the driving plate (6), the ejector plate (9) and the demoulding column (10) are combined together to form a rapid demoulding structure of the metal forming part, and the ejector plate (9) is of a lifting structure in the lower die (7).